lindsay practices the guitar 50 minutes on saturday and 30 minutes on most weekdays. last week she practiced 140 minutes. how many weekdays did she practice? write an equation in the form px + q = r to represent this problem.

Answer 1

Let x represent the number of weekdays Lindsay practiced.
The total time she practiced on weekdays is 30x minutes.
The practice time on Saturday is 50 minutes.
The total practice time is 30x + 50 minutes.
We know that the total practice time last week was 140 minutes.
So, the equation is: 30x + 50 = 140

Answer 2

solve for x in the equation -6.29(x + 7.85) = -19.499

Answer 3

To solve for x in the equation -6.29(x + 7.85) = -19.499, we will expand the parentheses and then solve for x.

-6.29(x + 7.85) = -19.499
-6.29x - 6.29(7.85) = -19.499
-6.29x - 49.1165 = -19.499

Now, we can isolate the x term by moving the constant term to the other side of the equation.

-6.29x = -19.499 + 49.1165
-6.29x = 29.6175

Finally, we can solve for x by dividing both sides of the equation by -6.29.

x = 29.6175 / -6.29
x ≈ -4.702

Therefore, x is approximately equal to -4.702.

Answer 4

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Answer 10

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